Annual tuberculosis infection rate in Kalubyia governorate

ABSTRACT

Estimation of annual infection rate was done on 2005 primary school children and 1045 students of secondary schools in Qalyoubia governorate. The prevalence of infection at the age 6-12 years in urban area was 17.8% in urban area was 6.7% and in the rural area 6.1%. The prevalence of infection at the age 15-18 years was 17.8% in urban area and 17.5% in rural area. The prevalence of infection among males was higher than that of females. The estimated annual infection rate at the age 6-12 years in urban area was 7.4% and 6.1% for the rural area. In young adults [15-18 years] the rate was 12.9% and 12.6% for the urban and rural area respectively. The higher the risk of becoming infected, the higher the prevalence. This was clear at the age of 15-18 years. The risk was 12.9% and the prevalence was 17.8%